/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.up.kafka.sender;

import com.alibaba.fastjson.JSON;
import com.up.kafka.productor.KafkaProducer;
import com.up.kafka.productor.MessageRecord;
import org.springframework.beans.factory.SmartInitializingSingleton;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.function.Function;

/**
 * @author: baiMl
 * @title: StringSender
 * @projectName: 海联技术中台V2.0
 * @depart 软件事业部
 * @description:
 * @date: 2022/4/24 18:04
 */
public class StringSender extends BasicSender implements SmartInitializingSingleton {

    private final List<Class<?>> basicDataType = new CopyOnWriteArrayList<>();
    private final Function<Object, String> dataTypeConvert = String::valueOf;

    public StringSender(KafkaProducer<String> producer) {
        super(producer);
    }

    @Override
    protected <V> MessageRecord<Object> wrapperMsg(String key, V message, String topic, Integer partition) throws IOException {
        Class<?> msgClass = message.getClass();
        String msg = null;
        for (Class<?> basicClass : basicDataType) {
            if (msgClass.isAssignableFrom(basicClass) || msgClass == basicClass) {
                msg = dataTypeConvert.apply(message);
                break;
            }
        }
        if (msg == null) {
            msg = JSON.toJSONString(message);
        }
        return wrapperMessageRecord(key, msg, topic, partition);
    }

    @Override
    public void afterSingletonsInstantiated() {
        basicDataType.add(Integer.class);
        basicDataType.add(String.class);
        basicDataType.add(Double.class);
        basicDataType.add(Float.class);
        basicDataType.add(BigDecimal.class);
        basicDataType.add(Boolean.class);
        basicDataType.add(Long.class);
        basicDataType.add(Byte.class);
        basicDataType.add(Short.class);
        basicDataType.add(Character.class);
        basicDataType.add(Date.class);
    }
}
